4. Fluid handling
  5. Processes
  6. Cleaning, repairing, or assembling

Terry C. Shafer

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Butterfly valve assembly and method of manufacture

Fluid handling – Processes – Cleaning – repairing – or assembling
Patent

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Dual containment valve

Fluid handling – With casing – support – protector or static constructional... – Jacketed
Patent

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Motorized exercise treadmill

Exercise devices – Involving user translation or physical simulation thereof – Treadmill for foot travel
Patent

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Quick coupling for plastic pipe

Pipe joints or couplings – With fluid pressure seal – Flexible lip
Patent

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Valve assembly having floating retainer rings

Valves and valve actuation – With means to increase head and seat contact pressure – Seat pressed to valve
Reexamination Certificate

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Profile ID: LFUS-PAI-P-379776

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